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Ryan Macnak a7e20dd2b0 Revert "[vm, gc] Mark through new-space." 
This reverts commit 6194209b28.

Reason for revert: issues on arm32

Original change's description:
> [vm, gc] Mark through new-space.
>
>  - Initial and final marking no longer visit all of new-space, reducing the STW pause for major GC.
>  - A scavenge during concurrent marking must forward / filter objects in the marking worklist that are moved / collected, increasing the STW pause for minor GC.
>  - Unreachable intergenerational cycles and weak references are collected in the next mark-sweep instead of first requiring enough scavenges to promote the whole cycle or weak target into old-space.
>  - Artificial minor GCs are no longer needed to avoid memory leaks from back-to-back major GCs.
>  - reachabilityBarrier is now just a count of major GCs.
>
> TEST=ci
> Change-Id: I3668a2e56821f9eadf96e38c228dab27be656016
> Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/309826
> Reviewed-by: Siva Annamalai <asiva@google.com>
> Commit-Queue: Ryan Macnak <rmacnak@google.com>

Change-Id: I434eb595c9e7858efc8c9b07cbca954e5649f506
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/319321
Commit-Queue: Ryan Macnak <rmacnak@google.com>
Reviewed-by: Siva Annamalai <asiva@google.com>
2023-08-09 18:13:17 +00:00
.dart_tool [infra] re-land work to auto-generate .dart_tool/package_config.json 2022-04-12 17:21:02 +00:00
.github Bump ossf/scorecard-action from 2.1.3 to 2.2.0 2023-07-10 10:03:28 +00:00
benchmarks [benchmarks] Fix MemoryCopy when elapsed time is too small. 2023-08-09 15:28:55 +00:00
build [vm/service] Use getline to read /proc/self/smaps 2023-08-09 12:59:31 +00:00
docs Spelling pkg analyzer lib 2023-01-25 14:08:27 +00:00
pkg meta 1.10.0 2023-08-09 18:07:32 +00:00
runtime Revert "[vm, gc] Mark through new-space." 2023-08-09 18:13:17 +00:00
samples [infra] Make the sanitizer a first-class status variable. 2023-07-10 17:46:31 +00:00
sdk Added missing content-disposition header 2023-08-09 13:36:10 +00:00
tests Revert "[dart2js] Add runtime type check for await." 2023-08-09 11:23:19 +00:00
third_party [build] Fix MSVC build. 2023-08-01 22:09:08 +00:00
tools Update Dart.g to support extension types, not inline classes 2023-08-09 11:34:28 +00:00
utils [ddc] Add new build targets for DDC assets 2023-07-25 00:19:52 +00:00
.clang-format
.gitattributes [web] rename suite dart2js -> web. 2021-02-04 23:11:32 +00:00
.gitconfig [infra] Add documentation to .gitconfig 2018-06-11 18:24:16 +00:00
.gitignore [tool] Bisection tool 2023-07-13 13:22:26 +00:00
.gn [infra] Migrate scripts to python3 2021-04-15 10:10:20 +00:00
.mailmap Fixed various typos in a lot of files 2022-07-25 12:21:59 +00:00
.style.yapf Mass format python with yapf 2019-08-05 20:34:31 +00:00
.vpython [infra] Add .vpython spec to fix gsutil on the bots (#31065) 2018-10-11 15:11:35 +00:00
AUTHORS Simplify the license situation 2022-09-14 21:06:22 +00:00
BUILD.gn [ddc] Add new build targets for DDC assets 2023-07-25 00:19:52 +00:00
CHANGELOG.md [dart:js_interop] Disallow user @staticInterop classes from subtyping most dart:_js_types types 2023-08-08 19:17:25 +00:00
codereview.settings [infra] Default presubmits to use python3 2021-08-24 08:20:47 +00:00
CONTRIBUTING.md Update CONTRIBUTING.md 2023-05-16 13:04:13 +00:00
DEPS Update webdev dep 2023-08-09 18:04:25 +00:00
LICENSE Update LICENSE 2021-04-08 07:57:10 +00:00
OWNERS [owners] update the top-level owners file 2022-11-11 21:03:52 +00:00
PATENT_GRANT Rename patent file 2019-08-16 12:03:17 +00:00
PRESUBMIT.py [presubmit] Remove check to keep _2 suites in sync 2023-07-21 16:08:49 +00:00
README.dart-sdk Fix README.dart-sdk file to reflect current contents of the SDK 2023-02-02 03:10:09 +00:00
README.md master => main 2021-09-10 08:02:49 +00:00
sdk_args.gni Fix typos 2022-06-15 11:08:28 +00:00
sdk.code-workspace Add an explicit Visual Studio Code workspace 2023-05-17 23:08:19 +00:00
SECURITY.md Add link to published advisories 2022-02-08 19:45:07 +00:00
WATCHLISTS Add a watchlist entry for changes to _fe_analyzer_shared 2023-03-31 13:59:27 +00:00

README.md

Dart

A client-optimized language for fast apps on any platform

Dart is:

  • Optimized for UI: Develop with a programming language specialized around the needs of user interface creation.

  • Productive: Make changes iteratively: use hot reload to see the result instantly in your running app.

  • Fast on all platforms: Compile to ARM & x64 machine code for mobile, desktop, and backend. Or compile to JavaScript for the web.

Dart's flexible compiler technology lets you run Dart code in different ways, depending on your target platform and goals:

  • Dart Native: For programs targeting devices (mobile, desktop, server, and more), Dart Native includes both a Dart VM with JIT (just-in-time) compilation and an AOT (ahead-of-time) compiler for producing machine code.

  • Dart Web: For programs targeting the web, Dart Web includes both a development time compiler (dartdevc) and a production time compiler (dart2js).

Dart platforms illustration

License & patents

Dart is free and open source.

See LICENSE and PATENT_GRANT.

Using Dart

Visit dart.dev to learn more about the language, tools, and to find codelabs.

Browse pub.dev for more packages and libraries contributed by the community and the Dart team.

Our API reference documentation is published at api.dart.dev, based on the stable release. (We also publish docs from our beta and dev channels, as well as from the primary development branch).

Building Dart

If you want to build Dart yourself, here is a guide to getting the source, preparing your machine to build the SDK, and building.

There are more documents on our wiki.

Contributing to Dart

The easiest way to contribute to Dart is to file issues.

You can also contribute patches, as described in Contributing.